The concept of turnkey packaging lines can have multiple interpretations for both buyers and sellers. It is crucial to consider the context when using this term. For instance, large conglomerates often employ the term to describe a range of packaging machines that may be designed, engineered, manufactured, and shipped by different facilities or what was once different companies.
This often involves additional costs for engineering services and can even pose challenges when it comes to integration.
There's another simpler definition -
One team for all machines: design, engineering, manufacturing, acceptance testing, commissioning, training and support by people who share the same cafeteria. An entire line assembled, debugged and accepted in the manufacturing facility can dramatically improve project outcomes. That's real single source.